The first declared National Monument in the United States.

One man's ambition created this psychedelic log home.

Prolific outsider artist Sid Boyum's concrete sculptures add whimsy to Madison's Schenk-Atwood neighborhood.

This rooftop sign has been confusing Milwaukee-bound airline passengers for decades.

A factory in Milwaukee where poop is reclaimed… and recycled.

A Milwaukee museum provides an unsparing and ultimately empowering look at the Black American experience.

This storied music venue was once a tavern that housed an Italian Anarchist book club and prohibition parties; today it's a community space for artists and musicians.

At this Wisconsin museum there are real ducks, fake ducks, duck calls and a Duck Blind.

The preserved remains of the former Milwaukee County Hospital for the Insane are hidden in the wooded grounds of County Park.

The Bong-area park police have asked visitors to please, stop stealing the signs.

Small-town museum dedicated to outer space ... and bicycles.

Expansive and colorful studio of Minneapolis art-star, Doug Padilla.

This holy goods emporium is where priests go for a little retail therapy to outfit their churches.

A museum celebrating the self-taught artist-environment builder.

A statue honors the genius who allegedly first took a meatball and made it into a hamburger.

The home of 1.5 million wood letters for printing is still a functioning workshop.

A group of artists transformed this desolate city alleyway into an outdoor gallery of street art.

This circus town museum recognizes the outstanding clowns of history.

Hidden in magnificent rolling countryside, see what may be the largest modern stone circle in the world at Wisconsin's very own "Stonehenge”

A remnant of the last Ice Age, this lake is surrounded by fascinating rock formations.

A roadside spring pooling in an old bathtub where anyone can stop and sip.

A bedazzled house and crown "jewel" of outsider artist Loy Allen Bowlin.

Giant six-pack could provide one person a six-pack a day for 3,351 years.

The spaceship-like theater, which is still in use, was one of the most popular exhibits at the 1964 New York World's Fair.